1 Dermatology, Plastic and Cosmetic Surgery Center, The First Dongguan Affiliated Hospital of Guangdong Medical University, Dongguan, Guangdong, China; Department of Dermatology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong, China.
2 Dermatology, Plastic and Cosmetic Surgery Center, The First Dongguan Affiliated Hospital of Guangdong Medical University, Dongguan, Guangdong, China; Department of Dermatology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong, China. Electronic address: ymfan1963@163.com.